Add option to show all errors in the check command #295

Signed-off-by: Chin Yeung Li <tli@nexb.com>

Author: chinyeungli

USAGE.rst

@@ -113,12 +113,25 @@ check
 
 ::
 
+    --show-all               Show all the errors and warning
     --help                   Show this message and exit.
 
 Purpose
 -------
 Validating ABOUT files at LOCATION.
 
+Options
+-------
+
+::
+
+    --show-all
+
+        This option ask the tool to show all kind of errors found.
+        The default behavior will only show 'CRITICAL', 'ERROR', and 'WARNING'
+
+    $ about check --show-all /home/project/about_files/
+
 
 gen
 ===

src/attributecode/cmd.py

@@ -214,9 +214,12 @@ def attrib(location, output, template, mapping, inventory, quiet):
 
 @cli.command(cls=AboutCommand, short_help='LOCATION: directory')
 @click.argument('location', nargs=1, required=True, type=click.Path(exists=True, readable=True, resolve_path=True))
-def check(location):
+@click.option('--show-all', is_flag=True, help='Show all the errors and warning')
+def check(location, show_all):
     """
-Validating ABOUT files at LOCATION.
+Validating ABOUT files at LOCATION. [Default: it will only shows the following
+level of errors: 'CRITICAL', 'ERROR', and 'WARNING'.
+Use the `--show-all` option to show all kind of errors.
 
 LOCATION: Path to an ABOUT file or a directory containing ABOUT files.
     """
@@ -229,16 +232,19 @@ def check(location):
     print_errors = []
     for severity, message in errors:
         sever = severities[severity]
-        if sever in problematic_errors:
+        if show_all:
             print_errors.append((msg_format % locals()))
+        else:
+            if sever in problematic_errors:
+                print_errors.append((msg_format % locals()))
 
-    number_of_problematic_errors = len(print_errors)
+    number_of_errors = len(print_errors)
 
     for err in print_errors:
         print(err)
 
     if print_errors:
-        click.echo('Found %(number_of_problematic_errors)d errors' % locals())
+        click.echo('Found %(number_of_errors)d errors' % locals())
         sys.exit(1)
     else:
         click.echo('No error is found.')